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ExistsIT.java
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ExistsIT.java
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/*
* Copyright (c) 2017 Contributors to the Eclipse Foundation
*
* See the NOTICE file(s) distributed with this work for additional
* information regarding copyright ownership.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0
*
* SPDX-License-Identifier: EPL-2.0
*/
package org.eclipse.ditto.thingsearch.service.persistence.read;
import static org.assertj.core.api.Assertions.assertThat;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import org.eclipse.ditto.json.JsonArray;
import org.eclipse.ditto.json.JsonFactory;
import org.eclipse.ditto.json.JsonObject;
import org.eclipse.ditto.json.JsonPointer;
import org.eclipse.ditto.rql.query.criteria.Criteria;
import org.eclipse.ditto.rql.query.criteria.CriteriaFactory;
import org.eclipse.ditto.rql.query.expression.ThingsFieldExpressionFactory;
import org.eclipse.ditto.things.model.Attributes;
import org.eclipse.ditto.things.model.Feature;
import org.eclipse.ditto.things.model.Features;
import org.eclipse.ditto.things.model.ThingId;
import org.eclipse.ditto.thingsearch.service.persistence.TestConstants;
import org.junit.Before;
import org.junit.Test;
/**
* Test the exists field expressions against the database.
*/
public final class ExistsIT extends AbstractReadPersistenceITBase {
private static final ThingId THING1_ID = TestConstants.thingId(TestConstants.Thing.NAMESPACE, "thing1");
private static final String THING1_KNOWN_ATTR = "attr1/a/b/c";
private static final String THING1_KNOWN_ATTR_VALUE = "thing1";
private static final String THING1_KNOWN_FEATURE_ID = "feature1";
private static final String THING1_KNOWN_PROPERTY = "property/a/b/c";
private static final long THING1_KNOWN_PROPERTY_VALUE = 1;
private static final ThingId THING2_ID = TestConstants.thingId(TestConstants.Thing.NAMESPACE, "thing2");
private static final String THING2_KNOWN_ATTR = "attr1/a/b/d";
private static final String THING2_KNOWN_ATTR_VALUE = "thing2";
private static final String THING2_KNOWN_FEATURE_ID = "feature2";
private static final String THING2_KNOWN_PROPERTY = "property/a/b/d";
private static final long THING2_KNOWN_PROPERTY_VALUE = 2;
private static final ThingId THING3_ID = TestConstants.thingId(TestConstants.Thing.NAMESPACE, "thing3");
private static final String THINGS_KNOWN_ATTR = "attr1/a/b";
private static final String THINGS_UNKNOWN_ATTR = "attr2";
private static final String TAGS1 = "tags1";
private static final String TAGS2 = "tags2";
private static final String TAGS3 = "tags3";
private static final String TAGS4 = "tags4";
private static final String TAGS5 = "tags5";
private final CriteriaFactory cf = CriteriaFactory.getInstance();
private final ThingsFieldExpressionFactory ef = ThingsFieldExpressionFactory.of(SIMPLE_FIELD_MAPPINGS);
@Before
public void createTestData() {
insertThings();
}
@Test
public void existsByKnownFeatureId() {
final Criteria crit = cf.existsCriteria(ef.existsByFeatureId(THING2_KNOWN_FEATURE_ID));
final Collection<ThingId> result = findForCriteria(crit);
assertThat(result).containsOnly(THING2_ID, THING3_ID);
}
@Test
public void existsByKnownFeatureIdAndProperty() {
final Criteria crit =
cf.existsCriteria(ef.existsByFeatureProperty(THING1_KNOWN_FEATURE_ID, THING1_KNOWN_PROPERTY));
final Collection<ThingId> result = findForCriteria(crit);
assertThat(result).containsOnly(THING1_ID);
}
@Test
public void existsByKnownFeatureIdAndDesiredProperty() {
final Criteria crit =
cf.existsCriteria(ef.existsByFeatureDesiredProperty(THING1_KNOWN_FEATURE_ID, THING1_KNOWN_PROPERTY));
final Collection<ThingId> result = findForCriteria(crit);
assertThat(result).containsOnly(THING1_ID);
}
@Test
public void existsByProperties() {
final Criteria crit = cf.existsCriteria(ef.existsByFeatureProperties(THING1_KNOWN_FEATURE_ID));
final Collection<ThingId> result = findForCriteria(crit);
assertThat(result).containsOnly(THING1_ID);
}
@Test
public void existsByDesiredProperties() {
final Criteria crit = cf.existsCriteria(ef.existsByFeatureDesiredProperties(THING2_KNOWN_FEATURE_ID));
final Collection<ThingId> result = findForCriteria(crit);
assertThat(result).containsOnly(THING2_ID, THING3_ID);
}
@Test
public void existsByExactAttribute() {
final Criteria crit = cf.existsCriteria(ef.existsByAttribute(THING2_KNOWN_ATTR));
final Collection<ThingId> result = findForCriteria(crit);
assertThat(result).containsOnly(THING2_ID);
}
@Test
public void existsByKnownAttribute() {
final Criteria crit = cf.existsCriteria(ef.existsByAttribute(THINGS_KNOWN_ATTR));
final Collection<ThingId> result = findForCriteria(crit);
assertThat(result).containsOnly(THING1_ID, THING2_ID);
}
@Test
public void existsByUnknownAttribute() {
final Criteria crit = cf.existsCriteria(ef.existsByAttribute(THINGS_UNKNOWN_ATTR));
final Collection<ThingId> result = findForCriteria(crit);
assertThat(result).isEmpty();
}
@Test
public void nullAndEmptyValuesExist() {
final List<List<ThingId>> results = Stream.of(TAGS1, TAGS2, TAGS3, TAGS4, TAGS5)
.map(tagName -> cf.existsCriteria(ef.existsByAttribute(tagName)))
.map(this::findForCriteria)
.map(ArrayList::new)
.collect(Collectors.toList());
final List<List<ThingId>> expected = Stream.generate(() -> THING1_ID)
.limit(5L)
.map(Collections::singletonList)
.collect(Collectors.toList());
assertThat(results).isEqualTo(expected);
}
@Test
public void existsByAnyFeature() {
final Criteria crit = cf.existsCriteria(ef.existsByFeatureId("*"));
final Collection<ThingId> result = findForCriteria(crit);
assertThat(result).isNotEmpty();
}
private void insertThings() {
final Attributes attributes1 = createAttributes(THING1_KNOWN_ATTR, THING1_KNOWN_ATTR_VALUE).toBuilder()
.setAll(createEmptyAttributes())
.build();
final Features features1 =
createFeatures(THING1_KNOWN_FEATURE_ID, THING1_KNOWN_PROPERTY, THING1_KNOWN_PROPERTY_VALUE);
final Attributes attributes2 = createAttributes(THING2_KNOWN_ATTR, THING2_KNOWN_ATTR_VALUE);
final Features features2 =
createFeatures(THING2_KNOWN_FEATURE_ID, THING2_KNOWN_PROPERTY, THING2_KNOWN_PROPERTY_VALUE);
persistThing(createThing(THING1_ID).setAttributes(attributes1).setFeatures(features1));
persistThing(createThing(THING2_ID).setAttributes(attributes2).setFeatures(features2));
persistThing(createThing(THING3_ID).setFeatures(features2));
}
private static Attributes createAttributes(final String attributeKey, final String attributeValue) {
return Attributes.newBuilder()
.set(JsonPointer.of(attributeKey), attributeValue)
.build();
}
private static Features createFeatures(final String featureId, final CharSequence propertyKey,
final long propertyValue) {
final Feature feature = Feature.newBuilder()
.withId(featureId)
.build()
.setProperty(propertyKey, propertyValue)
.setDesiredProperty(propertyKey, propertyValue);
return Features.newBuilder().set(feature).build();
}
private static JsonObject createEmptyAttributes() {
return JsonObject.newBuilder()
.set(TAGS1, JsonObject.empty())
.set(TAGS2, JsonFactory.nullLiteral())
.set(TAGS3, JsonObject.newBuilder().set("foo", JsonFactory.nullLiteral()).build())
.set(TAGS4, JsonObject.newBuilder().set("foo", JsonObject.empty()).build())
.set(TAGS5, JsonArray.empty())
.build();
}
}